Evidence
fact ⇄ what kind of claim · live
Spacing × starts = feed; feed × rpm = rate; the 450
closed-form helix arithmetic; checked in the tune script
EXACT
Petrie's spiral, Dunn's spacing, the rings observations
1883, 1999, 1983, 2020; the same grooves, three readings
REPORTED
Stocks's rates, the NOVA trial, diamond and ultrasonic anchors
published experimental figures, carried as printed
REPORTED
The 3D core, the grain, the rendered groove patterns
staging on the documented circumference; patterns drawn to each reading
MODELLED
What the core proves about a civilisation
the one card this bench prices nothing of
READING